@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@300;400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    color: #fafafa;
    background: #0f0f0f;
    background-image:
        radial-gradient(at 20% 30%, rgba(0, 255, 136, 0.03) 0px, transparent 50%),
        radial-gradient(at 80% 70%, rgba(0, 255, 170, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
    font-weight: 400;
    font-size: 16px;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #fafafa;
    padding: 1.2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

@media (min-width: 769px) {
    .navbar {
        justify-content: space-between;
    }
}

.logo a {
    text-decoration: none;
}

.logo h1 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.8rem;
    color: #00ff88;
    margin-bottom: 0;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.logo a:hover h1 {
    color: #00ffaa;
    text-shadow: 0 0 30px rgba(0, 255, 170, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: #aaa;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all 0.3s ease;
    padding: 0.6rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00ff88, #00ffaa);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #00ff88;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a.active {
    color: #00ff88;
}

.nav-menu a.active::after {
    width: 100%;
}

/* Main content */
main {
    margin-top: 80px;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #c0392b;
}

/* About section */
.about {
    padding: 4rem 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.about-item h3 {
    color: #e74c3c;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-item ul {
    list-style-type: none;
    padding-left: 0;
}

.about-item ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.about-item ul li:before {
    content: "♪ ";
    color: #e74c3c;
    font-weight: bold;
}

/* Events section */
.events {
    padding: 4rem 0;
    background: white;
}

.events h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.event-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    gap: 1.5rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
}

.event-date {
    background: #e74c3c;
    color: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    min-width: 70px;
}

.event-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
}

.event-date .month {
    display: block;
    font-size: 0.9rem;
}

.event-info h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.event-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Hero Section */
.hero-section {
    margin: 0;
    padding: 0;
    background: #fafafa;
}

.hero-image {
    width: 100%;
    display: block;
    line-height: 0;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 60vh;
    display: block;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
}

.hero-overlay h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 6rem;
    font-weight: 600;
    color: #fafafa;
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    line-height: 0.9;
}

.hero-overlay p {
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 300;
    color: #fafafa;
    margin: 0;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    letter-spacing: 0.02em;
}

/* About Full Page */
.about-full {
    padding: 4rem 0 4rem 0;
    background: #0f0f0f;
}

.content-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 136, 0.1);
    border-radius: 12px;
    padding: 3rem;
    margin-bottom: 4rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.content-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #ddd;
    font-weight: 400;
    font-family: 'Space Grotesk', sans-serif;
}

.content-section h3 {
    font-family: 'IBM Plex Mono', monospace;
    color: #00ff88;
    margin-bottom: 1.5rem;
    margin-top: 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    padding-left: 1.5rem;
}

.content-section h3::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #00ff88;
    font-weight: 400;
    font-size: 0.9rem;
}

.content-section p:first-child {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-family: 'Inter', sans-serif;
}

.activity-group {
    margin-bottom: 2rem;
}


.cta-section {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 255, 170, 0.08) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    color: #fafafa;
    text-align: center;
    padding: 4rem 2rem;
    border-radius: 16px;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 8px 32px rgba(0, 255, 136, 0.1);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00ff88, transparent);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.cta-section h2 {
    font-family: 'IBM Plex Mono', monospace;
    color: #fafafa;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cta-section p {
    margin-bottom: 3rem;
    font-size: 1rem;
    color: #999;
    font-weight: 300;
}

.cta-section .btn-primary {
    background: transparent;
    color: #fafafa;
    border: 1px solid #333;
    padding: 0.8rem 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
}

.cta-section .btn-primary:hover {
    background: #fafafa;
    color: #0a0a0a;
    border-color: #fafafa;
}

/* Join Form */
.join-form {
    margin-top: 3rem;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.join-form .form-group {
    margin-bottom: 2rem;
}

.join-form .form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 500;
    color: #00ff88;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.join-form .form-group input,
.join-form .form-group select,
.join-form .form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.03);
    color: #fafafa;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    transition: all 0.3s ease;
}

.join-form .form-group input::placeholder,
.join-form .form-group textarea::placeholder {
    color: #666;
}

.join-form .form-group input:focus,
.join-form .form-group select:focus,
.join-form .form-group textarea:focus {
    outline: none;
    border-color: #00ff88;
    background: rgba(0, 255, 136, 0.05);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.join-form .form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.join-form .btn-primary {
    margin-top: 2rem;
    background: linear-gradient(135deg, #00ff88 0%, #00ffaa 100%);
    color: #0f0f0f;
    border: none;
    padding: 1.2rem 3rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.join-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.5);
    background: linear-gradient(135deg, #00ffaa 0%, #00ff88 100%);
    width: 100%;
    padding: 1rem 2rem;
}

/* Footer */
footer {
    background: #0a0a0a;
    color: #666;
    text-align: center;
    padding: 3rem 0;
    border-top: 2px solid rgba(0, 255, 136, 0.1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

footer p {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
    color: #888;
}

.sponsor {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sponsor span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: #00ff88;
}

.sponsor-logo {
    height: 24px;
    width: auto;
    transition: opacity 0.2s ease;
}

.sponsor a:hover .sponsor-logo {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
}

/* Responsive - Tablet */
@media (max-width: 1024px) and (min-width: 769px) {
    .navbar {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        order: 0;
    }

    .nav-menu {
        order: 1;
        display: flex;
    }

    .burger-menu {
        display: none;
    }

    .hero-overlay {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        width: 80%;
    }

    .hero-overlay h1 {
        font-size: 4.5rem;
    }

    .hero-overlay p {
        font-size: 1.3rem;
    }
}

/* Burger menu for mobile */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

/* Desktop - hide burger menu */
@media (min-width: 769px) {
    .burger-menu {
        display: none !important;
    }

    .nav-menu {
        display: flex !important;
    }
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: #fafafa;
    transition: 0.3s;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .navbar {
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-direction: row !important;
        flex-wrap: nowrap;
    }

    .logo {
        flex: 0 0 auto;
        order: 1;
    }

    .burger-menu {
        display: flex !important;
        flex: 0 0 auto;
        order: 2;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(250, 250, 250, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-top: 1px solid rgba(10, 10, 10, 0.08);
        z-index: 999;
        order: 3;
    }

    .nav-menu.active {
        display: flex;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .content-section {
        padding: 0 1rem;
    }

    .content-section p:first-child {
        font-size: 1.2rem;
    }

    .cta-section {
        padding: 3rem 1.5rem;
    }

    .hero-image img {
        width: 100%;
        height: auto;
    }

    .hero-overlay {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
    }

    .hero-overlay h1 {
        font-size: 3rem;
        line-height: 0.85;
    }

    .hero-overlay p {
        font-size: 1.2rem;
    }

    main {
        margin-top: 80px;
    }

    .about-full {
        padding: 2rem 0 4rem 0;
    }
}

/* Contact section */
.contact {
    padding: 4rem 0;
    background: #2c3e50;
    color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    color: #e74c3c;
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.social-links {
    margin-top: 2rem;
}

.social-links h4 {
    color: #e74c3c;
    margin-bottom: 1rem;
}

.social-links a {
    color: #bdc3c7;
    text-decoration: none;
    margin-right: 1rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: white;
}

/* Contact form */
.contact-form {
    background: white;
    color: #333;
    padding: 2rem;
    border-radius: 10px;
}

.contact-form h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e74c3c;
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
footer {
    background: #1a252f;
    color: #bdc3c7;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .event-card {
        flex-direction: column;
        text-align: center;
    }

    .event-date {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 4rem 0;
    }

    .about,
    .events,
    .contact {
        padding: 3rem 0;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}